Definition

Noun: 1. A type of shrub or small tree: Any of various tropical shrubs or small trees belonging to the genus Strophanthus, characterized by leaves arranged in whorls and clusters of showy, often colorful flowers. 2. A source of medicinal and toxic compounds: These plants are notable for producing seeds that contain potent cardiac glycosides, which are used in medicine and can be poisonous.

Usage and Examples

• The strophanthus is native to tropical regions of Africa and Asia.
• Some species of strophanthus have been used traditionally to create arrow poisons.
• The extract from strophanthus seeds was historically important in the study of heart medications.

Advanced Usage and Context

• Botanical Context: In botanical texts, is discussed for its unique floral structure, where the corolla lobes are often elongated into long, trailing tails.
• Pharmacological Context: In medicine and toxicology, the term is specifically associated with the compound strophanthin (or ouabain), a glycoside derived from its seeds that affects heart muscle contraction.

Variants and Related Words

• Strophanthin (n): The active chemical compound extracted from strophanthus seeds, used as a cardiac stimulant.
• Strophanthus kombe (n): A specific, well-known species within the genus, often cited as a primary source of strophanthin.

Synonyms

• Poison arrow plant (a common name for some species, referencing their traditional use).
• There are no direct single-word synonyms, as it is a specific botanical genus name.

Notes on Meaning

The word strophanthus almost exclusively functions as a botanical name. Its meaning is intrinsically tied to the specific genus of plants and their properties. It is not used in idiomatic expressions or phrasal verbs.

Noun

1. any of various shrubs or small trees of the genus Strophanthus having whorled leaves and showy flowers of various colors in dense and corymbose clusters; some have poisonous seeds